156861278

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 299427840

約数和(自身を除く): 142566562

約数列:

[1, 2, 7, 14, 17, 34, 37, 47, 74, 94, 119, 238, 259, 329, 379, 518, 629, 658, 758, 799, 1258, 1598, 1739, 2653, 3478, 4403, 5306, 5593, 6443, 8806, 11186, 12173, 12886, 14023, 17813, 24346, 28046, 29563, 35626, 45101, 59126, 90202, 98161, 124691, 196322, 206941, 238391, 249382, 302821, 413882, 476782, 605642, 659081, 1318162, 1668737, 2119747, 3337474, 4239494, 4613567, 9227134, 11204377, 22408754, 78430639, 156861278]

約数ペア:

[(1, 156861278), (2, 78430639), (7, 22408754), (14, 11204377), (17, 9227134), (34, 4613567), (37, 4239494), (47, 3337474), (74, 2119747), (94, 1668737), (119, 1318162), (238, 659081), (259, 605642), (329, 476782), (379, 413882), (518, 302821), (629, 249382), (658, 238391), (758, 206941), (799, 196322), (1258, 124691), (1598, 98161), (1739, 90202), (2653, 59126), (3478, 45101), (4403, 35626), (5306, 29563), (5593, 28046), (6443, 24346), (8806, 17813), (11186, 14023), (12173, 12886)]